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/*******************************************************************************
* Copyright (c) 2011 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle - initial API and implementation
*******************************************************************************/
package org.eclipse.jpt.jaxb.core.context;
import java.util.Collection;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute;
import org.eclipse.jpt.common.core.resource.java.JavaResourceField;
import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod;
import org.eclipse.jpt.jaxb.core.context.java.JavaContextNode;
/**
* Represents a JAXB accessor (field/property).
* <p>
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*
* @version 3.1
* @since 3.1
*/
public interface Accessor
extends JavaContextNode {
JavaResourceAttribute getJavaResourceAttribute();
boolean isFor(JavaResourceField resourceField);
boolean isFor(JavaResourceMethod resourceGetter, JavaResourceMethod resourceSetter);
/**
* Return the type name of the java attribute, or the item type name of a collection or array.
*/
String getJavaResourceAttributeBaseTypeName();
/**
* (See JAXB 2.2 Spec, sect. 5.5.2)
* Return true if the java attribute type is an extension of java.util.Collection or a single
* dimensional array (except for byte[], which is treated like a non-array)
*/
boolean isJavaResourceAttributeCollectionType();
/**
* Return whether the java resource attribute type is a subtype of the given type
* This might not return the same thing as getJavaResourceAttribute().typeIsSubTypeOf(String).
*/
boolean isJavaResourceAttributeTypeSubTypeOf(String typeName);
//**************** static methods *****************
final class AccessorTools {
public static final String BYTE_ARRAY_CLASS_NAME = "byte[]";
public static final String COLLECTION_CLASS_NAME = Collection.class.getName();
public static final String OBJECT_CLASS_NAME = Object.class.getName();
public static String getBaseTypeName(JavaResourceAttribute attribute) {
if (attribute.typeIsArray()) {
if (BYTE_ARRAY_CLASS_NAME.equals(attribute.getTypeName())) {
return BYTE_ARRAY_CLASS_NAME;
}
else if (attribute.getTypeArrayDimensionality() == 1) {
return attribute.getTypeArrayComponentTypeName();
}
}
else if (attribute.typeIsSubTypeOf(COLLECTION_CLASS_NAME)) {
if (attribute.getTypeTypeArgumentNamesSize() == 1) {
return attribute.getTypeTypeArgumentName(0);
}
return OBJECT_CLASS_NAME;
}
return attribute.getTypeName();
}
/**
* @see JaxbPersistentAttribute#isJavaResourceAttributeCollectionType()
*/
public static boolean isCollectionType(JavaResourceAttribute attribute) {
if (attribute.typeIsArray()) {
if (attribute.getTypeArrayDimensionality() == 1
&& ! BYTE_ARRAY_CLASS_NAME.equals(attribute.getTypeName())) {
return true;
}
return false;
}
else if (attribute.typeIsSubTypeOf(COLLECTION_CLASS_NAME)) {
return true;
}
return false;
}
}
}
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